The minimum cutting force appears in a cutting speed range, the cutting speed is better in this range for the cutting performance improvement.
在较高切削速度时，存在一段使切削力最小的范围，切削时切削速度应尽量选在这段范围内，改善切削效果。
With the help of this optimization model, the optimized drill structure, which will generate minimum radial cutting force and torque, can be determined for different cutting conditions.
利用该优化模型对不同加工条件下的浅孔钻进行优化，得到使径向合力及扭矩为最小时的钻头结构参数。
With the help of this optimization model, the optimized drill structure, which will generate minimum radial cutting force and torque, can be determined for different cutting conditions.
利用该优化模型对不同加工条件下的浅孔钻进行优化，得到使径向合力及扭矩为最小时的钻头结构参数。
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